From: Steven Rostedt Date: Tue, 25 Nov 2025 21:40:07 +0000 (-0500) Subject: tracing: Use strim() in trigger_process_regex() instead of skip_spaces() X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=400ddf1dbe70429b5fc6cef74d987829e6c25893;p=linux%2F.git tracing: Use strim() in trigger_process_regex() instead of skip_spaces() The function trigger_process_regex() is called by a few functions, where only one calls strim() on the buffer passed to it. That leaves the other functions not trimming the end of the buffer passed in and making it a little inconsistent. Remove the strim() from event_trigger_regex_write() and have trigger_process_regex() use strim() instead of skip_spaces(). The buff variable is not passed in as const, so it can be modified. Cc: Mark Rutland Cc: Mathieu Desnoyers Cc: Andrew Morton Cc: Tom Zanussi Link: https://patch.msgid.link/20251125214032.323747707@kernel.org Acked-by: Masami Hiramatsu (Google) Signed-off-by: Steven Rostedt (Google) --- diff --git a/kernel/trace/trace_events_trigger.c b/kernel/trace/trace_events_trigger.c index 3b97c242b795..96aad82b1628 100644 --- a/kernel/trace/trace_events_trigger.c +++ b/kernel/trace/trace_events_trigger.c @@ -308,7 +308,8 @@ int trigger_process_regex(struct trace_event_file *file, char *buff) char *command, *next; struct event_command *p; - next = buff = skip_spaces(buff); + next = buff = strim(buff); + command = strsep(&next, ": \t"); if (next) { next = skip_spaces(next); @@ -345,8 +346,6 @@ static ssize_t event_trigger_regex_write(struct file *file, if (IS_ERR(buf)) return PTR_ERR(buf); - strim(buf); - guard(mutex)(&event_mutex); event_file = event_file_file(file);